package com.linws.controller;

import com.linws.pojo.Dept;
import com.linws.service.DeptService;

import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import java.util.List;

//提供Restful风格
@RestController
public class DeptController {
  @Autowired
    private DeptService service;

  @HystrixCommand(fallbackMethod="hystrixGet")
  @GetMapping("/dept/get/{id}")
    public Dept get(@PathVariable("id") Long id){
      Dept dept = service.queryById(id);
      if (dept==null){
          throw new RuntimeException("id=>"+id+"，不存在该用户，或者信息无法找到~");
      }
      return dept;
  }
  //备选方案
    public Dept hystrixGet(@PathVariable("id")Long id){
      return new Dept()
              .setDeptno(id)
              .setDname("id=>"+id+"没有对应信息，null--@Hystrix")
              .setDb_source("no this datasource in MYSQL");
    }
}
